Llyn Fawr & Craig y Llyn

Llyn Fawr sits in a dramatic natural amphitheatre beneath Craig y Llyn, the highest escarpment in the old South Wales coalfield, where the top of the Rhondda meets the Vale of Neath. It is a genuinely underrated flying spot: a dark reservoir cupped by a horseshoe of crags and scree, with forestry falling away below and, on a clear day, views right across the valleys. The bowl gives you natural framing for reveals, climbing up over the water to lift the crag line and the plunging view beyond. The Rhigos mountain road runs past with laybys, so take-off from the public verge is straightforward, and it is usually quiet. The reservoir is Welsh Water land, so launch from the roadside rather than the water's edge and keep clear of any anglers. There is no flight restriction zone here. This is exposed, high ground where wind pours over the escarpment and can create strong rotor in the bowl, so treat it with respect and fly on a settled day. The site is also of archaeological note for a famous Iron Age hoard found in the lake. Late afternoon light on the north-facing crags and autumn colour in the forestry are the pick.